Vulnerability-Lookup

WID-SEC-W-2023-0171

Vulnerability from csaf_certbund - Published: 2023-01-22 23:00 - Updated: 2023-01-22 23:00

Summary

PowerDNS: Schwachstelle ermöglicht Denial of Service

Severity

Hoch

Notes

Das BSI ist als Anbieter für die eigenen, zur Nutzung bereitgestellten Inhalte nach den allgemeinen Gesetzen verantwortlich. Nutzerinnen und Nutzer sind jedoch dafür verantwortlich, die Verwendung und/oder die Umsetzung der mit den Inhalten bereitgestellten Informationen sorgfältig im Einzelfall zu prüfen.

Produktbeschreibung: Der Domain Name Service (DNS) ermöglicht die Umsetzung der Domainnamen in IP-Adressen. Zur Verhinderung von übermäßigen Anfragen werden die Zuordnungen häufig lokal in einem Cache gespeichert.

Angriff: Ein entfernter, anonymer Angreifer kann eine Schwachstelle in PowerDNS ausnutzen, um einen Denial of Service Angriff durchzuführen.

Betroffene Betriebssysteme: - UNIX - Linux

CVE-2023-22617

Es existiert eine Schwachstelle in PowerDNS. Bei der Verarbeitung von Abfragen für falsch konfigurierte Domains kann der Recursor in eine unbegrenzte Schleife gebracht werden, was dazu führt, dass er seinen Stapelspeicher überschreitet. Ein entfernter, anonymer Angreifer kann diese Schwachstelle ausnutzen, um einen Denial of Service zu verursachen.

Affected products

Known affected 1 product

Product	Identifier	Version	Remediation
Open Source PowerDNS 4.8.0 Open Source	`cpe:/a:powerdns:authoritative:4.8.0`	—

References

3 references

URL	Category
https://wid.cert-bund.de/.well-known/csaf/white/2…	self
https://wid.cert-bund.de/portal/wid/securityadvis…	self
https://docs.powerdns.com/recursor/security-advis…	external

JSON

To clipboard

{
  "document": {
    "aggregate_severity": {
      "text": "hoch"
    },
    "category": "csaf_base",
    "csaf_version": "2.0",
    "distribution": {
      "tlp": {
        "label": "WHITE",
        "url": "https://www.first.org/tlp/"
      }
    },
    "lang": "de-DE",
    "notes": [
      {
        "category": "legal_disclaimer",
        "text": "Das BSI ist als Anbieter f\u00fcr die eigenen, zur Nutzung bereitgestellten Inhalte nach den allgemeinen Gesetzen verantwortlich. Nutzerinnen und Nutzer sind jedoch daf\u00fcr verantwortlich, die Verwendung und/oder die Umsetzung der mit den Inhalten bereitgestellten Informationen sorgf\u00e4ltig im Einzelfall zu pr\u00fcfen."
      },
      {
        "category": "description",
        "text": "Der Domain Name Service (DNS) erm\u00f6glicht die Umsetzung der Domainnamen in IP-Adressen. Zur Verhinderung von \u00fcberm\u00e4\u00dfigen Anfragen werden die Zuordnungen h\u00e4ufig lokal in einem Cache gespeichert.",
        "title": "Produktbeschreibung"
      },
      {
        "category": "summary",
        "text": "Ein entfernter, anonymer Angreifer kann eine Schwachstelle in PowerDNS ausnutzen, um einen Denial of Service Angriff durchzuf\u00fchren.",
        "title": "Angriff"
      },
      {
        "category": "general",
        "text": "- UNIX\n- Linux",
        "title": "Betroffene Betriebssysteme"
      }
    ],
    "publisher": {
      "category": "other",
      "contact_details": "csaf-provider@cert-bund.de",
      "name": "Bundesamt f\u00fcr Sicherheit in der Informationstechnik",
      "namespace": "https://www.bsi.bund.de"
    },
    "references": [
      {
        "category": "self",
        "summary": "WID-SEC-W-2023-0171 - CSAF Version",
        "url": "https://wid.cert-bund.de/.well-known/csaf/white/2023/wid-sec-w-2023-0171.json"
      },
      {
        "category": "self",
        "summary": "WID-SEC-2023-0171 - Portal Version",
        "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2023-0171"
      },
      {
        "category": "external",
        "summary": "PowerDNS Security Advisory vom 2023-01-22",
        "url": "https://docs.powerdns.com/recursor/security-advisories/powerdns-advisory-2023-01.html"
      }
    ],
    "source_lang": "en-US",
    "title": "PowerDNS: Schwachstelle erm\u00f6glicht Denial of Service",
    "tracking": {
      "current_release_date": "2023-01-22T23:00:00.000+00:00",
      "generator": {
        "date": "2024-08-15T17:42:05.372+00:00",
        "engine": {
          "name": "BSI-WID",
          "version": "1.3.5"
        }
      },
      "id": "WID-SEC-W-2023-0171",
      "initial_release_date": "2023-01-22T23:00:00.000+00:00",
      "revision_history": [
        {
          "date": "2023-01-22T23:00:00.000+00:00",
          "number": "1",
          "summary": "Initiale Fassung"
        }
      ],
      "status": "final",
      "version": "1"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "category": "product_name",
            "name": "Open Source PowerDNS 4.8.0",
            "product": {
              "name": "Open Source PowerDNS 4.8.0",
              "product_id": "T025983",
              "product_identification_helper": {
                "cpe": "cpe:/a:powerdns:authoritative:4.8.0"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "Open Source"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2023-22617",
      "notes": [
        {
          "category": "description",
          "text": "Es existiert eine Schwachstelle in PowerDNS. Bei der Verarbeitung von Abfragen f\u00fcr falsch konfigurierte Domains kann der Recursor in eine unbegrenzte Schleife gebracht werden, was dazu f\u00fchrt, dass er seinen Stapelspeicher \u00fcberschreitet. Ein entfernter, anonymer Angreifer kann diese Schwachstelle ausnutzen, um einen Denial of Service zu verursachen."
        }
      ],
      "product_status": {
        "known_affected": [
          "T025983"
        ]
      },
      "release_date": "2023-01-22T23:00:00.000+00:00",
      "title": "CVE-2023-22617"
    }
  ]
}

CVE-2023-22617 (GCVE-0-2023-22617)

Vulnerability from cvelistv5 – Published: 2023-01-21 00:00 – Updated: 2025-04-03 14:38

Summary

A remote attacker might be able to cause infinite recursion in PowerDNS Recursor 4.8.0 via a DNS query that retrieves DS records for a misconfigured domain, because QName minimization is used in QM fallback mode. This is fixed in 4.8.1.

Severity

7.5 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-04-03 14:36 UTC

CWE

n/a
CWE-674 - Uncontrolled Recursion

Assigner

mitre CNA under the mitre root

CNA scorecard E 29/100 over 2230 records in the last 180 days details

References

3 references

URL	Tags
https://docs.powerdns.com/recursor/security-advisories/
http://www.openwall.com/lists/oss-security/2023/01/20/1	mailing-list
https://docs.powerdns.com/recursor/changelog/4.8.…

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-02T10:13:49.520Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://docs.powerdns.com/recursor/security-advisories/"
          },
          {
            "name": "[oss-security] 20230120 Security Advisory 2023-01 for PowerDNS Recursor 4.8.0 (CVE-2023-22617)",
            "tags": [
              "mailing-list",
              "x_transferred"
            ],
            "url": "http://www.openwall.com/lists/oss-security/2023/01/20/1"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://docs.powerdns.com/recursor/changelog/4.8.html#change-4.8.1"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "NETWORK",
              "availabilityImpact": "HIGH",
              "baseScore": 7.5,
              "baseSeverity": "HIGH",
              "confidentialityImpact": "NONE",
              "integrityImpact": "NONE",
              "privilegesRequired": "NONE",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2023-22617",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-04-03T14:36:48.388329Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "problemTypes": [
          {
            "descriptions": [
              {
                "cweId": "CWE-674",
                "description": "CWE-674 Uncontrolled Recursion",
                "lang": "en",
                "type": "CWE"
              }
            ]
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-04-03T14:38:29.405Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A remote attacker might be able to cause infinite recursion in PowerDNS Recursor 4.8.0 via a DNS query that retrieves DS records for a misconfigured domain, because QName minimization is used in QM fallback mode. This is fixed in 4.8.1."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2023-01-21T00:00:00.000Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "url": "https://docs.powerdns.com/recursor/security-advisories/"
        },
        {
          "name": "[oss-security] 20230120 Security Advisory 2023-01 for PowerDNS Recursor 4.8.0 (CVE-2023-22617)",
          "tags": [
            "mailing-list"
          ],
          "url": "http://www.openwall.com/lists/oss-security/2023/01/20/1"
        },
        {
          "url": "https://docs.powerdns.com/recursor/changelog/4.8.html#change-4.8.1"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2023-22617",
    "datePublished": "2023-01-21T00:00:00.000Z",
    "dateReserved": "2023-01-04T00:00:00.000Z",
    "dateUpdated": "2025-04-03T14:38:29.405Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Vulnerability timeline

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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
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